Add type checking, improve errors, better method naming, etc...

src/init.lua

@@ -0,0 +1,79 @@
+--[[
+	Authors:
+		deprecatedbrain (co_existance) (12/11/2021), -- Creating the original file
+		LucasMZ (12/12/2021), -- Type annotation & checking, error improvements...
+]]
+
+local HttpService = game:GetService("HttpService")
+
+local AuthAPI = {}
+
+local AUTHENTICATION_URL = "https://www.authenticatorapi.com/Validate.aspx?Pin=%s&SecretCode=%s"
+local QRCODE_URL = "https://www.authenticatorapi.com/pair.aspx?AppName=%s&AppInfo=%s&SecretCode=%s"
+
+function AuthAPI.CheckPinAsync(
+	code: string | number,
+	secret: string
+): boolean
+
+	assert(
+		tonumber(code) ~= nil,
+		"Code must be number"
+	)
+
+	assert(
+		typeof(secret) == 'string',
+		"Secret must be string"
+	)
+
+	local requestUrl = string.format(
+		AUTHENTICATION_URL,
+		code, secret
+	)
+
+	local wasRequestSuccessful, result = pcall(
+		HttpService.GetAsync, HttpService,
+		requestUrl
+	)
+
+	if wasRequestSuccessful then
+		if result == "True" then
+			return true
+		elseif result == "False" then
+			return false
+		else
+			error("Invalid result returned\n Result: ".. result)
+		end
+	else
+		error("Remote request failed\n Error: ".. result)
+	end
+end
+
+function AuthAPI.GetQRCodeURL(
+	appName: string,
+	appInfo: string,
+	secret: string
+): string
+
+	assert(
+		typeof(appName) == 'string',
+		"AppName must be string"
+	)
+
+	assert(
+		typeof(appInfo) == 'string',
+		"AppInfo must be string"
+	)
+
+	assert(
+		typeof(secret) == 'string',
+		"Secret must be string"
+	)
+
+	return string.format(
+		QRCODE_URL,
+		appName, appInfo, secret
+	)
+end
+
+return AuthAPI